and she had all this energy, positive energy. so every time it came around to the criminal trial, i thought please god let somebody find a way back to letting people know how wonderful she was. >> that special light of shelley tyre, dearly missed by so many who knew her. was her husband david swain responsible for taking it from the world? or was he an innocent man whose private ways had made a tragic accident only look like murder? a jury in a tortola courtroom would soon decide. but not before david swain himself took the stand to answer questions from his island attorney. >> mr. swain, when you went on the dive with shelley tyre on that 12th of march of 1999, did you kill shelley tyre? >> i did not, could not, would not dream of taking the rock of my life out of the world. that's just -- no, i did not. >> did you in any way during the course of that dive deprive shelley tyre of air? >> the last thing in the world is i would deprive shelley of anything. i certainly didn't of air. >> then it was the prosecution's turn. >> you he